# import html
# import json
# import os
# import urllib.parse

# from modules import shared, ui_extra_networks, sd_models


# class ExtraNetworksPageCheckpoints(ui_extra_networks.ExtraNetworksPage):
#     def __init__(self):
#         super().__init__('Checkpoints')

#     def refresh(self):
#         shared.refresh_checkpoints()

#     def list_items(self):
#         checkpoint: sd_models.CheckpointInfo
#         for name, checkpoint in sd_models.checkpoints_list.items():
#             path, ext = os.path.splitext(checkpoint.filename)
#             previews = [path + ".png", path + ".preview.png"]

#             preview = None
#             for file in previews:
#                 if os.path.isfile(file):
#                     preview = self.link_preview(file)
#                     break

#             yield {
#                 "name": checkpoint.name_for_extra,
#                 "filename": path,
#                 "preview": preview,
#                 "search_term": self.search_terms_from_path(checkpoint.filename) + " " + (checkpoint.sha256 or ""),
#                 "onclick": '"' + html.escape(f"""return selectCheckpoint({json.dumps(name)})""") + '"',
#                 "local_preview": path + ".png",
#             }

#     def allowed_directories_for_previews(self):
#         return [v for v in [shared.cmd_opts.ckpt_dir, sd_models.model_path] if v is not None]

